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Continuous peripheral nerve block, also known as CPNB, is a type of regional anesthesia that delivers anesthetic agents directly to an affected limb. This avoids the complications of opioid analgesia while delivering excellent pain control.


  • The Painful Truth, by Steve Silberman. Wired Magazine 13.02, February 2005.
  • Does Continuous Peripheral Nerve Block Provide Superior Pain Control to Opioids? A Meta-Analysis, by Richman et al., 2006. Anesthesia and Analgesia 102, pages 248-257.